Cooling device for injection molded part after demolding

Abstract

The utility model is suitable for the technical field of injection molding cooling, and provides a cooling device for an injection molded part after demolding, which comprises a rack, a heat preservation cover arranged at the top of the rack, a partition plate arranged at the top of the inner wall of the heat preservation cover, and an exhaust mechanism and an air inlet mechanism respectively arranged at the upper part of an inner cavity of a heat preservation cavity and positioned on the front side and the rear side of the partition plate, a conveying belt is arranged on the machine frame, a plurality of conveying belts are arranged on the conveying belt, and a plurality of sets of turning mechanisms rotating synchronously are arranged between every two adjacent conveying belts. When a plate-shaped injection molding product or an injection molding product with a planar bottom is processed, the top of the injection molding product is cooled through the air inlet mechanism, and the injection molding product is turned over through the turnover mechanism, so that the bottom of the injection molding product is cooled, the cooling effect is improved, and the bottom of the injection molding product is prevented from being adhered; and by arranging the exhaust mechanism, hot air carried by the injection molding part is exhausted, the temperature in the cooling working environment is reduced, and the cooling effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cooling device technical field especially relates to a kind of injection molding parts post-ejection cooling device. BACKGROUND

[0002] ‌Injection molding is a commonly used industrial product production molding method, by heating thermoplastic or thermosetting plastics to a certain temperature and injecting into mold, so that it is fused into shape. After injection molding parts are separated from the mold, since its temperature is still very high, it needs to be cooled.

[0003] In the prior art, such as the cooling device for injection molding parts post-ejection disclosed in patent CN220808402U, by setting the material collecting and wind gathering mechanism, the injection molding parts transported by the roller conveying line are gathered towards the center of the roller conveying line, and the cool air blown by the heat dissipation assembly is gathered, which is beneficial to speed up the cooling process of the injection molding parts and improve the cooling efficiency.

[0004] However, the device only focuses on cooling the top of the injection molding parts, and the cooling effect of the bottom of the injection molding parts is poor. When the temperature of some plate-shaped or flat-bottomed injection products is too high, sticking phenomenon may occur, which needs to be handled manually, affecting production efficiency and being time-consuming and laborious. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of injection molding parts post-ejection cooling device, to solve the cooling effect of the bottom of some plate-shaped or flat-bottomed injection products in the production process of the cooling device for injection molding parts post-ejection is poor, and the bottom of injection product may stick.

[0006] The utility model is realized as follows: a kind of injection molding parts post-ejection cooling device, including rack, the top of the rack is provided with heat preservation cover, the rack and the heat preservation cover form a heat preservation cavity, the top of the inner wall of the heat preservation cover is provided with partition, the upper portion in the heat preservation cavity and the front side and the back side of the partition are respectively provided with exhaust mechanism and air inlet mechanism, the rack is provided with conveying belt, the both ends of the conveying belt pass through the both ends of the heat preservation cover and extend to outside, the conveying belt is provided with multiple conveying belts, every two adjacent conveying belts are arranged along width direction, the middle part of the conveying belt and between every two adjacent conveying belts are respectively provided with multiple groups of synchronous rotation turnover mechanism.

[0007] Preferably, each of the turnover mechanisms comprises a connecting rod and a turnover plate, a first rotating shaft is rotatably arranged below the conveying belt and is perpendicular to the conveying direction of the conveying belt, a connecting rod is fixedly connected to the first rotating shaft and is located between every two adjacent conveying belts, and the turnover plate is fixedly connected to one end of the connecting rod.

[0008] Preferably, a second rotating shaft is rotatably arranged above the frame and is located behind and parallel to the first rotating shaft, a rotating block is fixedly connected to the second rotating shaft and is located between every two adjacent conveying belts, and a positioning groove is formed in the two sides of the rotating block, and the bottom of the positioning groove is flush with the upper surface of the conveying belt when the rotating block is parallel to the upper surface of the conveying belt.

[0009] Preferably, the exhaust mechanism comprises a fan and an exhaust pipe, the fan is fixedly connected to the front end of the top of the heat preservation cover, the air suction end of the fan is in communication with one end of the exhaust pipe, and the other end of the exhaust pipe vertically penetrates the top of the heat preservation cover and extends downward.

[0010] Preferably, the air inlet mechanism comprises an air guide pipe and a plurality of air blowing pipes, the air guide pipe vertically penetrates the top of the heat preservation cover, one end of each of the air blowing pipes is in communication with the air guide pipe, the other end of each of the air blowing pipes is in communication with a diffusion plate and extends downward to the lower part of the heat preservation cavity.

[0011] Preferably, one side of the frame is provided with a motor for driving the first rotating shaft to rotate, a belt pulley is fixedly connected to the first rotating shaft and the second rotating shaft, and the two belt pulleys are connected through a transmission belt.

[0012] Preferably, a through groove is formed in the frame below the turnover mechanism and is used for rotating the turnover plate.

[0013] Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] When processing plate-shaped or flat-bottomed injection molded products, the top of the injection molded product is cooled through the air inlet mechanism, the injection molded product is turned over through the turnover mechanism, the bottom of the injection molded product is cooled, the cooling effect is improved, and the phenomenon of sticking of the bottom of the injection molded product is avoided. Meanwhile, the exhaust mechanism is arranged to exhaust the hot air carried by the injection molded product, the temperature in the cooling working environment is reduced, and the cooling effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure of the utility model's main view;

[0017] Figure 2 It is the structure of the utility model's main view;

[0018] Figure 3 It is the structure of the utility model's main view;

[0019] Figure 4 It is the structure of the utility model's main view;

[0020] Figure 5 It is the structure of the utility model Figure 1 The enlarged view of A.

[0021] In the figure: 1- frame, 2- heat shield, 3- conveyor belt, 4- connecting rod, 5- turnover plate, 6- through slot, 7- rotating block, 8- mounting bracket, 9- blowing pipe, 10- air duct, 11- partition plate, 12- fan, 13- suction pipe, 14- motor, 15- pulley, 16- transmission belt, 17- first rotating shaft, 18- second rotating shaft. DETAILED DESCRIPTION

[0022] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following is combined with the embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0023] Please refer to Figures 1-3 The utility model provides a kind of injection molding piece demoulding cooling device, including frame 1, the top of frame 1 is provided with heat shield 2, frame 1 and heat shield 2 form a heat preservation cavity between, the top of the inner wall of heat shield 2 is provided with partition plate 11, the upper portion of the inner cavity of heat preservation cavity and the front side and rear side of partition plate 11 are provided with exhaust mechanism and air inlet mechanism respectively, frame 1 is provided with conveyor belt 3, the both ends of conveyor belt 3 are through the both ends of heat shield 2 and extend to outside, conveyor belt 3 is provided with multiple conveying belts, every two adjacent conveying belts are arranged along width direction interval, the middle portion of conveyor belt 3 and between every two adjacent conveying belts are provided with multiple groups of synchronous rotation turnover mechanism.

[0024] In the embodiment, frame 1 and heat shield 2 are prior art, conveyor belt 3 is the main conveying device of injection molding piece, such as Figure 1As shown, the exhaust mechanism is responsible for the injection molding parts in the heat generated in the heat preservation cavity outside the heat preservation cover 2, the intake mechanism is responsible for the outside of the cooling gas into the heat preservation cavity cooling, the partition plate 11 plays a certain barrier effect, prevent the exhaust mechanism will be into the cold air exhaust intake mechanism, the turnover mechanism is set in the injection molding parts transport process in the middle, after the top of the injection molding parts cooling cooling through the turnover mechanism, again to the bottom of the injection molding parts cooling.

[0025] Further, each group of turnover mechanism includes connecting rod 4, turnover plate 5 and rotating block 7, the lower part of the conveying belt 3 is rotatably provided with a first rotating shaft 17 perpendicular to the direction of the conveying belt 3, the first rotating shaft 17 is fixedly connected with the connecting rod 4 between every two adjacent conveying belts, the turnover plate 5 is vertically fixedly connected to one end of the connecting rod 4, when the connecting rod 4 is vertically upward, the top of the turnover plate 5 is flush with the upper surface of the conveying belt 3, the upper part of the rack 1 is rotatably provided with a second rotating shaft 18, the second rotating shaft 18 is located behind the first rotating shaft 17 and parallel to the first rotating shaft 17, the second rotating shaft 18 is fixedly connected with the rotating block 7 between every two adjacent conveying belts, the two sides of the rotating block 7 are respectively provided with a positioning slot, when the rotating block 7 is parallel to the upper surface of the conveying belt 3, the bottom of the positioning slot is flush with the upper surface of the conveying belt 3.

[0026] In this embodiment, the turnover plate 5 plays an auxiliary supporting effect on the bottom of the injection molding parts when the injection molding parts are rotating, so the position of the rotating point of the connecting rod 4, i.e. the first rotating shaft 17, should be set below the conveying belt 3, as shown in the figure. Figure 5 As shown, when the injection molding parts move to the top of the turnover plate 5 and continue to move forward, the front end of the injection molding parts will be inserted into the positioning slot in the rotating block 7, then the first rotating shaft 17 and the second rotating shaft 18 rotate synchronously and drive the turnover plate 5 and the rotating block 7 to rotate, in the process of rotating the injection molding parts, the positioning slot plays a limiting effect on the front end of the injection molding parts, the part above the positioning slot on the rotating block 7 can be longer, so that when the injection molding parts are separated from the turnover plate 5 when the rotating angle is greater than 90°, the longer part on the rotating block 7 can still support the injection molding parts, after the rotating block 7 rotates 180°, the injection molding parts complete the turnover and fall on the conveying belt 3 for conveying, the positioning slot originally located at the rear side of the rotating block 7 rotates to the front side.

[0027] Further, the exhaust mechanism includes a fan 12 and an exhaust pipe 13, the fan 12 is fixedly connected to the front end of the top of the heat preservation cover 2, the suction end of the fan 12 is communicated with one end of the exhaust pipe 13, the other end of the exhaust pipe 13 vertically penetrates the top of the heat preservation cover 2 and extends downward.

[0028] In this embodiment, the exhaust end of the fan 12 is communicated with the exhaust pipe, the exhaust pipe 13 exhausts the hot air on the injection molding parts, which is blown out into the exhaust pipe by the fan and then discharged outside the heat preservation cover 2.

[0029] Further, the air inlet mechanism comprises the air guide pipe 10 and a plurality of air blowing pipes 9, the air guide pipe 10 vertically penetrates the top of the heat preservation cover 2, one end of each air blowing pipe 9 respectively communicates with the air guide pipe 10, and the other end of each air blowing pipe 9 respectively communicates with a diffusion plate and extends to the lower part of the heat preservation cavity.

[0030] In the embodiment, the mounting frame 8 is arranged between the partition plate 11 and the rear end of the inner wall of the heat preservation cover 2, a plurality of mounting holes vertically penetrating are arranged on the mounting frame 8, and each air blowing pipe 9 is inserted into one mounting hole, the external cooling gas is blown into each air blowing pipe 9 through the air guide pipe 10, and the cooling gas is blown into the diffusion plate through each air blowing pipe 9, so that the cooling gas is diffusedly blown into each place in the heat preservation cavity.

[0031] Further, one side of the rack 1 is provided with the motor 14 for driving the first rotating shaft 17 to rotate, the first rotating shaft 17 and the second rotating shaft 18 are respectively fixedly connected with the belt pulleys 15, and the two belt pulleys 15 are connected through the transmission belt 16.

[0032] In the embodiment, the first rotating shaft 17 and the second rotating shaft 18 are driven through the transmission belt 16 and the belt pulleys 15, when the first rotating shaft 17 rotates, the second rotating shaft 18 synchronously rotates, and the connecting rod 4 and the rotating block 7 synchronously rotate.

[0033] Further, the rack 1 is provided with the through slot 6 for the rotating plate 5 to rotate below the turnover mechanism.

[0034] In the embodiment, the rotating plate 5 may contact the rack 1 when rotating, in order to avoid this, the through slot 6 is arranged to provide sufficient space for the rotating plate 5 to rotate.

[0035] The working principle and use process of the utility model are as follows: after the utility model is installed, the injection molding part is placed on the conveying belt 3 along the conveying direction, the conveying belt 3 starts conveying, the injection molding part moves into the heat preservation cover 2, the suction pipe 13 starts to suck the heat carried by the injection molding part and blows out the outside of the heat preservation cover 2 through the fan 12, meanwhile, the air guide pipe 10 starts to blow the external cooling gas through the air blowing pipe 9, the diffusion plate blows the cooling gas into the heat preservation cavity, the top of the injection molding part is cooled and lowered in temperature, and meanwhile, the injection molding part continues to move along the conveying direction, when the front end of the injection molding part moves into the positioning slot of the rotating block 7, the motor 14 starts to work to drive the first rotating shaft 17 and the second rotating shaft 18 to start synchronous rotation, meanwhile, the rotating block 7 drives the front end of the injection molding part to turn over, the rotating plate 5 drags the bottom of the injection molding part to start to rotate, after rotating 180°, the injection molding part is turned over and falls on the conveying belt 3 again, the original bottom starts to face upwards and accept cooling and lowering in temperature, finally, the injection molding part is sent out of the device by the conveying belt 3, and then the cooled injection molding parts are collected.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for cooling an injection molded part after ejection, characterized in that: The utility model provides a kind of heat preservation oven, including rack (1), the top of the rack (1) is provided with heat preservation cover (2), the rack (1) and the heat preservation cover (2) form a heat preservation cavity, the top of the inner wall of the heat preservation cover (2) is provided with partition plate (11), the upper portion of the heat preservation cavity and the front side and rear side of the partition plate (11) are provided with exhaust mechanism and air intake mechanism respectively, the rack (1) is provided with conveying belt (3), the both ends of the conveying belt (3) are through the both ends of the heat preservation cover (2) and extend to outside, the conveying belt (3) is provided with multiple conveying belts, every two adjacent conveying belts are arranged along width direction, the middle portion of the conveying belt (3) and between every two adjacent conveying belts are provided with multiple groups of synchronous rotation turnover mechanism.

2. A post-ejection cooling device for injection molded parts as defined in claim 1, characterized in that: The turnover mechanism includes connecting rod (4) and turnover plate (5), the lower side of the conveying belt (3) is rotatably provided with first rotating shaft (17) which is perpendicular to the direction of the conveying belt (3), the first rotating shaft (17) and between every two adjacent conveying belts are respectively fixedly connected with connecting rod (4), the turnover plate (5) is vertically fixedly connected to one end of the connecting rod (4), when the connecting rod (4) is vertically upward, the top of the turnover plate (5) is flush with the upper surface of the conveying belt (3).

3. A post-ejection cooling device for injection molded parts as defined in claim 2, characterized in that: The rack (1) and above the conveying belt (3) are rotatably provided with second rotating shaft (18), the second rotating shaft (18) is located behind the first rotating shaft (17) and parallel to the first rotating shaft (17), the second rotating shaft (18) and between every two adjacent conveying belts are respectively fixedly connected with rotating block (7), the both sides of the rotating block (7) are respectively provided with positioning slot, when the rotating block (7) is rotated to be parallel to the upper surface of the conveying belt (3), the bottom of the positioning slot is flush with the upper surface of the conveying belt (3).

4. A post-ejection cooling device for injection molded parts as defined in claim 1, characterized in that: The exhaust mechanism includes fan (12) and air suction pipe (13), the fan (12) is fixedly connected to the front end of the top of the heat preservation cover (2), the air suction end of the fan (12) is communicated with one end of the air suction pipe (13), the other end of the air suction pipe (13) is vertically through the top of the heat preservation cover (2) and extends downward.

5. A post-ejection cooling device for injection molded parts as defined in claim 1, wherein: The air intake mechanism includes air guide pipe (10) and multiple air blowing pipes (9), the air guide pipe (10) is vertically through the top of the heat preservation cover (2), one end of each air blowing pipe (9) is respectively communicated with the air guide pipe (10), the other end of each air blowing pipe (9) is respectively communicated with diffusion plate and extends to the lower portion of the heat preservation cavity.

6. A post-ejection cooling device for injection molded parts as defined in claim 3, characterized in that: One side of the rack (1) is provided with motor (14) for driving the first rotating shaft (17) to rotate, the first rotating shaft (17) and the second rotating shaft (18) are respectively fixedly connected with pulley (15), two pulleys (15) are connected through transmission belt (16).

7. A post-ejection cooling device for injection molded parts as defined in claim 2, wherein: The rack (1) and below the turnover mechanism are throughly provided with through slot (6) for the rotation of the turnover plate (5).

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